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Chapter 4: Motherboard Connections
Standby Power
Pin Definitions
Pin#
Definition
1
+5V Standby
2
Ground
3
N/A
Trusted Platform Module Header
Pin Definitions
Pin#
Definition
Pin#
Definition
1
LCLK
2
Ground
3
LFRAME#
4
<(KEY)>
5
LRESET#
6
+5V
7
LAD3
8
LAD2
9
+3.3V
10
LAD1
11
LAD0
12
Ground
13
SMB_CLK
14
SMB_DAT
15
+3V Stdby
16
SERIRQ
17
Ground
18
CLKRUN#
19
LPCPD#
20
LDRQ#
TPM/Port 80 Header
A Trusted Platform Module (TPM)/Port 80 header is located at JTPM1 to provide TPM support
and Port 80 connection. Use this header to enhance system performance and data security.
Onboard Power LED (JLED1)
An onboard Power LED header is located at JLED1. This Power LED header is connected
to Front Control Panel located at JF1 to indicate the status of system power.
Onboard Power LED Connection
Pin Definitions
Pin#
Definition
1
VCC
2
No Connection
3
Connection to Power LED on JF1
Standby Power Header
The Standby Power header is located at JSTBY1. You must have a card with a Standby
Power connector and a cable to use this feature.